The days are glorious in Acadia National Park, but so are the star-filled nights.

The official poster for the 6th annual Acadia Night Sky Festival. (Photo by Nathan Levesque)

Acadia, with the darkest skies along the US eastern seaboard, is where the thousands of stars making up the Milky Way can be seen, something that two-thirds of US residents can’t view at home because of city lights.

All you need to do is look up on a dark, clear night, and you’ll be starstruck in Acadia, as our nieces were in recent visits, Stacey at Thunder Hole, and Sharon and Michelle at the ranger-led Stars Over Sand Beach program.

To celebrate in celestial style, Acadia National Park, the Friends of Acadia, Schoodic Institute, local chambers of commerce and more than a dozen businesses and organizations, are holding one big party Sept. 25 – Sept. 29, the 6th annual Acadia Night Sky Festival.

Among the more than 30 events planned: Star parties, night hikes, kid-friendly activities, a boat cruise, movies and scientific and literary presentations, and bioluminescent canoe paddles.

But it’s not just another festival to help boost the Downeast Maine economy in between the busy summer and peak foliage seasons.

It’s also an important reminder of how dark skies are a dwindling resource around the world, affecting astronomy, ecosystems and even human circadian rhythms. And it helps highlight the estimated $2 billion a year being wasted with unnecessary lighting in the US alone, a statistic publicized by the International Dark-Sky Association (IDA), a non-profit founded in 1988 to reduce light pollution. Continue reading →